Handheld controller



FIG. 1 is a front view of the handheld controller of the claimed design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view of the claimed design;

FIG. 4 is a back view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The dot-dash lines in FIGS. 1 and 5 represent lines that form no part of the claimed design, and the dashed lines in FIGS. 1-4 and 6 are included for the purpose of illustrating structural features that form no part of the claimed design. 

CLAIM We claim the ornamental design for handheld controller, as shown and described. 